Cummins Confronted by EPA over Copper Zeolite
JP Morgan analyst Ann Duignan has
raised concerns over Cummins, after the news of EPA Concerns about its proposed use of copper zeolite in its 2010 compliant engine range. Copper zeolite has the potential to catalyze dioxin formation in conditions experienced in incinerators and vehicle exhausts claims EPA's Karl Simon, and no other manufacturer has opted to use the substance in SCR-based engines, preferring instead to employ the less contentious iron zeolite.
We assume that Navistar will begin to make merry with this claim, but would remind the sole proponent of EGR technology at EPA 10 that we're looking forward to seeing some fuel figures, given MAN's eschewal of EGR for Euro VI - not dissimilar to EPA 10.
This report suggests a fuel consumption increase for Euro VI over Euro V of eight per cent, and that assumes SCR usage. Quite where that places the EGR-only Maxxforce - effectively a MAN engine - in terms of fuel consumption for EPA 10 we know not.
And as for Cummins, this is bad news at a bad time; SCR offers the truck makers an opportunity to reclaim ground from the sole remaining Tier 1 engine supplier, and none of Cummins' customers seem likely to be keen to offer much by way of help.
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